// Copyright (c) 2021 Terminus, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package xmind

type Content []Sheet

type Sheet struct {
	Topic Topic `json:"topic,omitempty" xml:"topic,omitempty"`
}

type Topic struct {
	Title  string  `json:"title,omitempty" xml:"title,omitempty"`
	Topics []Topic `json:"topics,omitempty" xml:"topics,omitempty"`
}

func (t Topic) GetFirstSubTopicTitle() string {
	if len(t.Topics) == 0 {
		return ""
	}
	return t.Topics[0].Title
}
